<template>
  <div class="wrapper">
    <!-- header部分 -->
    <header>
      <p>用户登陆</p>
    </header>

    <!-- 表单部分 -->
    <ul class="form-box">
      <li>
        <div class="title">手机号码：</div>
        <div class="content">
          <input type="text" v-model="userId" placeholder="手机号码" />
        </div>
      </li>
      <li>
        <div class="title">密码：</div>
        <div class="content">
          <input type="password" v-model="password" placeholder="密码" />
        </div>
      </li>
    </ul>

    <div class="button-login">
      <button @click="login">登陆</button>
    </div>
    <div class="button-register">
      <button @click="goToRegister">去注册</button>
    </div>

    <!-- 底部菜单部分 -->
    <Footer></Footer>
  </div>
</template>

<script setup>
import { ref } from 'vue';
import axios from 'axios'; // 导入 axios
import Footer from '../components/Footer.vue';
import CryptoJS from 'crypto-js'; // 导入 crypto-js 库
import { useRouter } from 'vue-router';

const router = useRouter();
const userId = ref('');
const password = ref('');

const login = () => {
  // 检查手机号格式
  const phoneRegex = /^[1-9][0-9]{10}$/;
  if (!phoneRegex.test(userId.value) || userId.value[1] === '2') {
    alert('请输入正确的电话号');
    return;
  }
  // 检查密码长度
  if (password.value.length < 6) {
    alert('请输入至少六位密码');
    return;
  }

  // 使用 MD5 对密码进行加密
  const encryptedPassword = CryptoJS.MD5(password.value).toString();

  // 登录请求
  axios
    .post(
      '/users/login',
      {
        userId: userId.value,
        password: encryptedPassword,
      },
      {
        headers: {
          'Content-Type': 'application/json',
        },
      }
    )
    .then((response) => {
      let userDTO = response.data.data;
      if (userDTO == null || !userDTO.userId) {
        alert('用户名或密码不正确');
      } else {
        // 用户登录成功，userDTO 包含用户信息
        alert('登录成功');
        sessionStorage.setItem('user', JSON.stringify(userDTO));
        router.push('/');
      }
    })
    .catch((error) => {
      console.error(error);
      if (error.response) {
        alert('登录失败：' + error.response.data.message);
      } else {
        alert('登录失败：请检查网络连接或联系管理员！');
      }
    });
};

const goToRegister = () => {
  router.push('/register');
};
</script>
<style scoped>
.wrapper {
  width: 100%;
  height: 100%;
}
.wrapper header {
  width: 100%;
  height: 12vw;
  background-color: #0097ff;
  color: #fff;
  font-size: 4.8vw;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
}
.wrapper .form-box {
  width: 100%;
  margin-top: 12vw;
}
.wrapper .form-box li {
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
  display: flex;
  align-items: center;
}
.wrapper .form-box li .title {
  flex: 0 0 18vw;
  font-size: 3vw;
  font-weight: 700;
  color: #666;
}
.wrapper .form-box li .content {
  flex: 1;
}
.wrapper .form-box li .content input {
  border: none;
  outline: none;
  width: 100%;
  height: 4vw;
  font-size: 3vw;
}
.wrapper .button-login {
  width: 100%;
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
}
.wrapper .button-login button {
  width: 100%;
  height: 10vw;
  font-size: 3.8vw;
  font-weight: 700;
  color: #fff;
  background-color: #38ca73;
  border-radius: 4px;
  border: none;
  outline: none;
}
.wrapper .button-register {
  width: 100%;
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
}
.wrapper .button-register button {
  width: 100%;
  height: 10vw;
  font-size: 3.8vw;
  font-weight: 700;
  color: #666;
  background-color: #eee;
  border: solid 1px #ddd;
  border-radius: 4px;
  border: none;
  outline: none;
}
.wrapper .footer {
  width: 100%;
  height: 14vw;
  border-top: solid 1px #ddd;
  background-color: #fff;
  position: fixed;
  left: 0;
  bottom: 0;
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.wrapper .footer li {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #999;
  user-select: none;
  cursor: pointer;
}
.wrapper .footer li p {
  font-size: 2.8vw;
}
.wrapper .footer li i {
  font-size: 5vw;
}
</style>
